<template>
  <div class="search-history">
    <van-cell title="搜索历史">
      <div v-if="isDeleteShow">
      <span @click="$emit('claer-search-histories',[])">全部删除</span>
      &nbsp; &nbsp;
      <span @click="isDeleteShow=false">完成</span>
      </div>
     
      <van-icon v-else name="delete" @click="isDeleteShow = true" />
    </van-cell>

    <van-cell 
    :title="item" 
    v-for="(item ,index) in searchHistories" 
    :key="index"
    @click="onSearchItemClick(item,index)"
    >
      <van-icon name="close" v-show="isDeleteShow" />
    </van-cell>
   
  </div>
</template>

<script>
export default {
  name: 'SearchHistory',
  components: {},
  props: {
     // Prop 数据
    //  Prop 是受父组件数据影响的
    //    如果是普通数据（数字、字符串、布尔值）绝对不能修改
    //    即便改了也不会传导给父组件
    //
    //    如果是引用类型数据（数组、对象）
    //        可以修改，例如 [].push(xxx)，对象.xxx = xxx
    //        不能重新赋值, xxx = []
    searchHistories:{
      type:Array,
      required:true
    }
  },
  data () {
    return {
      isDeleteShow:false,  //控制删除显示
    }
  },
  computed: {},
  watch: {},
  created () {},
  mounted () {},
  methods: {
    onSearchItemClick(item,index){
      if(this.isDeleteShow){
        // 删除状态
        this.searchHistories.splice(index,1)
      }else{
          // 非删除状态
          this.$emit('search',item)
      }
    }
  }
}
</script>

<style scoped lang="less"></style>
